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Diffstat (limited to 'doc/UsersGuide/ThornWriters.tex')
| -rw-r--r-- | doc/UsersGuide/ThornWriters.tex | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/UsersGuide/ThornWriters.tex b/doc/UsersGuide/ThornWriters.tex index 3c3c3cc6..32fca7c8 100644 --- a/doc/UsersGuide/ThornWriters.tex +++ b/doc/UsersGuide/ThornWriters.tex @@ -965,6 +965,13 @@ The following variable is needed for grid refinement methods \item {\tt cctk\_levfac} The factor by which the local grid is refined with respect to the base grid. \end{itemize} + +The following variable is used for identifing convergence levels. {\tt NOTE:} Convergence is not currently implemented by Cactus, so that {\tt cctk\_convlevel} is currently always 0. +\begin{itemize} +\item {\tt cctk\_convlevel} The convergence level of this grid hierachy. + The base level is 0, and every level above that is currently coarsened by a factor of 2. +\end{itemize} + The variables {\tt cctk\_delta\_space} and {\tt cctk\_delta\_time} denote the grid spacings on the {\em base} grid. If you are using a grid refinement method, you need yo calculate the grid spacings |